Types of Variable Stars: Cepheid, Pulsating and Cataclysmic
Variable stars change brightness. But there are many reasons why.
Opportunity: Longest-Running Mars Rover
The Opportunity rover is NASA''s longest rover mission.
Vesta: Facts About the Brightest Asteroid
Vesta is the second largest asteroid in the solar system.
SpaceX''s Falcon 9: Rocket for the Dragon
Falcon 9 lifts SpaceX''s Dragon spacecraft to the ISS.
Dwarf Planets: Science and Facts About the Solar System's Smaller Worlds
Pluto, the most famous dwarf planet, lost its planet status in 2006. Learn more about dwarf planets of the solar system here.
SpaceX''s Dragon: First Private Spacecraft to Reach Space Station
The Dragon spacecraft first reached the International Space Station in 2012.
See NASA Launch Rockets Into the Northern Lights in These Spectacular Photos
The gorgeous green glow of the northern lights served as a backdrop for bright white rocket tails in a set of amazing new photos. Five rockets launched from Poker Flat Research Range in Alaska this week carried experiments aimed at studying the science be
Blast-Off! NASA Soil-Tracking Mission Launches From California | Video
The Soil Moisture Active Passive (SMAP) spacecraft was launched from Vandenberg Air Force Base on January 31st, 2015. It will monitor Earth''s soil moisture for 3 years.
NASA Launches Satellite to Get the Dirt on Earth''s Dirt
NASA newest Earth-observing mission has just launched to the ultimate height to study the dirt below our feet.
SPACE WEBCASTS: NASA SMAP Satellite Launch Press Conference
NASA is due to launch its SMAP satellite designed to measure moisture in Earth''s soils at 9:22 a.m. EST (1422 GMT) on Saturday (Jan. 31) from California.
What Is the Greenhouse Effect?
The greenhouse effect occurs when Earth''s atmosphere traps solar radiation because of the presence of certain gases, which causes temperatures to rise.
Indian Culture: Traditions and Customs of India
India is one of the world''s oldest and most diverse cultures. Here is an overview of Indian customs and traditions.
Wow! The Most Amazing Images in Science This Week
Snapshots of Otzi''s tattoos, images of Blackbeard''s medical supplies and even photos of insects in space suits, just a few of this week''s awesome science pictures.
Super Bowl: 4 Tips for a Super-Healthy Game Day
Diet and exercise may not be the first thing on your mind on Super Bowl Sunday, but there are a number of easy steps you can take to make game day a little healthier.
Seattle vs. Boston: Who Wins the ''Energy Bowl''?
The Seattle Seahawks and the New England Patriots will face each other on the gridiron for Super Bowl supremacy tomorrow (Feb. 1). But sorry, Seattle - you''ve already been declared losers in the realm of energy efficiency.
Virtual hearts get to the crux of sudden cardiac death
Watching hundreds of genetically different hearts beating in a supercomputer is helping doctors identify who is at risk from unexpectedly dropping down dead
GMO mosquito plan sparks outcry in Florida
A British company''s plan to unleash hordes of genetically modified mosquitoes in Florida to reduce the threat of dengue fever and other diseases has sparked an outcry from fearful residents.
Aircraft set for minute-by-minute tracking
All commercial flights worldwide could soon send out an automated signal every minute in times of distress to help rescuers find downed aircraft more easily.
Galaxy dust findings confound view of early Universe
What was the Universe like at the beginning of time? How did the Universe come to be the way it is today?-big questions and huge attention paid when scientists attempt answers. So was the early-universe discovery that made the news last year a mistake?
Google eyes nanoparticle platform as part of health rethink
Google likes taking on big problems and that''s no secret. Transportation. Communication, and now Health. The Atlantic has posted a video and it is all about Google''s attempt to redefine how we manage our health.